OpenTechnical

OT-2026-000022886

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000022886) never changes.

Identity and time

Publication numberOT-2026-000022886 · never reused
Internal UUID01a0ae70-46eb-7900-80b9-b4f73f5fd71d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022886
StatusPUBLIC

Content hashes

Canonical textab0f3ca6c0bc55e7983ca2136113759ba218460e8ee6d12a1dd2821d6871a31f
Markdownebe4328bc141aaa91afb121a49444e4a8038dc18788a573e9507dce926ad042a
PDF
Publication page4782b24992f03a7af5f198a6323e3381cdd0d593d98510962ff6bf006444ddfb
Manifestbec0d83aecf8ae16b8116c6edca5461a8639631f332fba9b5811afaaddc3383f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature+YqdzMPTcIkVStC+VQlRYbj9HKmZPc28IxEOIfmoOr1ra01bDqWzWstw8kJJ4s/0Jok4dZD1qhscNfQRRKtwDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:27.325430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022886
observed 4782b24992f03a7af5f198a6323e3381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.307685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022886/manifest.json
observed bec0d83aecf8ae16b8116c6edca5461a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.288830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022886/publication.md
observed ebe4328bc141aaa91afb121a49444e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.267061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022886/publication.txt
observed ab0f3ca6c0bc55e7983ca2136113759b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.